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1990 Lexus LS400 4.0L Poor Idle Quality, Hesitation, Stall, MIL Lamp on
The engine idle hunts, and after about 15 seconds it stalls. The engine lacks power. Looking at a wiring diagram the TPS, coolant temperature sensor and the air temperature sensor inside the mass air sensor ALL ground through the same pin on the ecu. I have is...
FIX posted 3/6/2012
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Message Closed w/FIX
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Related Documents & Media | VIN | JT8UF11EXL |
| Engine | 4.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | Federal |
| Symptoms | Poor Idle Quality, Hesitation, Stall, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 22 | Coolant temperature sensor siganl abnormal shorted/open |
| 24 | Intake air temperature sensor part of Mass Air Sensor |
| 41 | TPS sigal abnormal |
| 47 | TPS Shorted/open |
Message Closed w/FIX
Vehicle Data
1990 Lexus LS400
| VIN | JT8UF11EXL |
| Engine | 4.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | Federal |
| Symptoms | Poor Idle Quality, Hesitation, Stall, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 22 | Coolant temperature sensor siganl abnormal shorted/open |
| 24 | Intake air temperature sensor part of Mass Air Sensor |
| 41 | TPS sigal abnormal |
| 47 | TPS Shorted/open |
Video